Useful tips for everyday
What do Arista switches do? The 40- and 100-Gb/s Arista switches are used for data center uplink, aggregation and other basic deployments. With their emergence,…
What is the difference between circuit switching and packet switching and message switching? In circuit switching method, message is received in the same order, that…
Can you connect 2 gigabit switches together? Daisy-chaining network switches You can daisy-chain network switches together. Just pick a port on both switches and use…
How do you interconnect two VLANs? The simplest way to enable routing between the two VLANs to simply connect an additional port from each VLAN…
What is BGP AS prepend? In the Border Gateway Protocol (BGP), prepending is a technique used to de-prioritize a route by artificially increasing the length…
How do I check my router routes? Use the show ip route EXEC command to display the current state of the routing table. How do…
What the jam signal is used for? The jam signal or jamming signal is a signal that carries a 32-bit binary pattern sent by a…
What is domain fronting on VPN? Domain fronting is a technique for Internet censorship circumvention that uses different domain names in different communication layers of…
What is the difference between a TCP segment and an IP packet? A TCP segment IS a packet. A segment is only a part of…
Why does the last digit of my IP address change? Your network almost surely has a DHCP server and it’s a class C network. So…